Computer History (Desmond 7B)

Early History

Period: Jan 1, 1822 to Jan 1, 1900

Analytical Machine

Jan 1, 1837

Charles Babbage first described the "Analytical Machine" on 1837.

"Vaccumm Tubes"

Nov 6, 1940

Made to store memories.

First Generation

Period: Jan 1, 1944 to Jan 1, 1956

Transitors

Nov 6, 1956

Faster, Cheaper, and SmallerInput: Punched cardsOutput: PrintoutsDevelop language and symbols

2nd Generation

Period: Nov 6, 1956 to Nov 6, 1963

Transistors

"Intergated Circuits"

Nov 6, 1964

Increased the speed and skillfulness.Input: KeyboardOutput:MonitorAdvantages:smaller size,less heat

3rd Generation

Period: Nov 6, 1964 to Nov 6, 1971

Intergated Circuits

4th Generation

Period: Nov 6, 1971 to Nov 6, 2013

Microprofessors